Positive Integers » 20001-30000 » 21301-21400 » 21391
Divisors of the Positive Integer 21391
1, 21391Sum of all the Divisors of 21391, including itself
21392Sum of the Proper Divisors of 21391
1Properties of the number 21391
The integer 21391 is an odd number.The integer 21391 is a Prime number.
1 is less than 21391, so 21391 is a deficient number.
The number 21391 as a Roman Numeral
_X_XMCCCXCI (Roman Numerals with underscores in front have their values increased by 1,000. The underscore represents a line over the numeral, because the Romans used overlines to multiply by 1,000.)The number 21391 in various Numeral Systems
Base | Representation |
---|---|
2: | 101001110001111 |
3: | 1002100021 |
4: | 11032033 |
5: | 1141031 |
6: | 243011 |
7: | 116236 |
8: | 51617 |
9: | 32307 |
10: | 21391 |
11: | 15087 |
12: | 10467 |
13: | 9976 |
14: | 7B1D |
15: | 6511 |
16: | 538F |
17: | 4605 |
18: | 3C07 |
19: | 324G |
20: | 2D9B |
21: | 26AD |
22: | 2047 |
23: | 1HA1 |
24: | 1D37 |
25: | 195G |
26: | 15GJ |
27: | 1297 |
28: | R7R |
29: | PCI |
30: | NN1 |
31: | M81 |
32: | KSF |
33: | JL7 |
34: | IH5 |
35: | HG6 |
36: | GI7 |